BAMU vs. TBIL

Last updated Apr 1, 2026

Compare and contrast key facts about Brookstone Ultra-Short Bond ETF (BAMU) and US Treasury 3 Month Bill ETF (TBIL).

BAMU and TBIL are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. BAMU is an actively managed fund by Brookstone. It was launched on Sep 26, 2023. TBIL is a passively managed fund by US Benchmark Series that tracks the performance of the ICE BofA US Treasury Bill 3 Month Index. It was launched on Aug 8, 2022.

Performance

BAMU vs. TBIL - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Brookstone Ultra-Short Bond ETF (BAMU) and US Treasury 3 Month Bill ETF (TBIL). The values are adjusted to include any dividend payments, if applicable.

BAMU vs. TBIL - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
BAMU Brookstone Ultra-Short Bond ETF	0.60%	3.21%	4.14%	1.20%
TBIL US Treasury 3 Month Bill ETF	0.87%	4.19%	5.15%	1.38%

Returns By Period

In the year-to-date period, BAMU achieves a 0.60% return, which is significantly lower than TBIL's 0.87% return.

BAMU

• 1D: -0.00%
• 1M: 0.18%
• YTD: 0.60%
• 6M: 1.39%
• 1Y: 2.95%
• 3Y*: —
• 5Y*: —
• 10Y*: —

TBIL

• 1D: 0.00%
• 1M: 0.32%
• YTD: 0.87%
• 6M: 1.89%
• 1Y: 4.05%
• 3Y*: 4.71%
• 5Y*: —
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

BAMU vs. TBIL - Expense Ratio Comparison

BAMU has a 1.09% expense ratio, which is higher than TBIL's 0.15% expense ratio.

BAMU

Brookstone Ultra-Short Bond ETF

TBIL

US Treasury 3 Month Bill ETF

Return for Risk

BAMU vs. TBIL — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

BAMU

BAMU Risk / Return Rank: 99
BAMU Sharpe Ratio Rank: 99
BAMU Sortino Ratio Rank: 99
BAMU Omega Ratio Rank: 99
BAMU Calmar Ratio Rank: 99
BAMU Martin Ratio Rank: 99

TBIL

TBIL Risk / Return Rank: 100
TBIL Sharpe Ratio Rank: 100
TBIL Sortino Ratio Rank: 100
TBIL Omega Ratio Rank: 100
TBIL Calmar Ratio Rank: 100
TBIL Martin Ratio Rank: 100

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

BAMU vs. TBIL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Brookstone Ultra-Short Bond ETF (BAMU) and US Treasury 3 Month Bill ETF (TBIL). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	BAMU	TBIL	Difference
Sharpe ratio Return per unit of total volatility	4.42	14.34	-9.92
Sortino ratio Return per unit of downside risk	7.57	63.08	-55.51
Omega ratio Gain probability vs. loss probability	2.12	19.16	-17.05
Calmar ratio Return relative to maximum drawdown	25.11	204.06	-178.95
Martin ratio Return relative to average drawdown	89.35	1,017.13	-927.78
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BAMU vs. TBIL - Sharpe Ratio Comparison

The current BAMU Sharpe Ratio is 4.42, which is lower than the TBIL Sharpe Ratio of 14.34. The chart below compares the historical Sharpe Ratios of BAMU and TBIL, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	BAMU	TBIL	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	4.42	14.34	-9.92
Sharpe Ratio (All Time) Calculated using the full available price history	4.11	14.17	-10.06

Correlation

The correlation between BAMU and TBIL is 0.19, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

BAMU vs. TBIL - Dividend Comparison

BAMU's dividend yield for the trailing twelve months is around 3.13%, less than TBIL's 4.28% yield.

	TTM	2025	2024	2023	2022
BAMU Brookstone Ultra-Short Bond ETF	3.13%	3.20%	3.97%	0.84%	0.00%
TBIL US Treasury 3 Month Bill ETF	4.28%	4.07%	5.02%	5.00%	1.10%

Drawdowns

BAMU vs. TBIL - Drawdown Comparison

The maximum BAMU drawdown since its inception was -0.36%, which is greater than TBIL's maximum drawdown of -0.10%. Use the drawdown chart below to compare losses from any high point for BAMU and TBIL.

Drawdown Indicators

	BAMU	TBIL	Difference
Max Drawdown Largest peak-to-trough decline	-0.36%	-0.10%	-0.26%
Max Drawdown (1Y) Largest decline over 1 year	-0.12%	-0.02%	-0.10%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-0.02%	0.00%	-0.02%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.03%	0.00%	+0.03%

Volatility

BAMU vs. TBIL - Volatility Comparison

Brookstone Ultra-Short Bond ETF (BAMU) has a higher volatility of 0.20% compared to US Treasury 3 Month Bill ETF (TBIL) at 0.09%. This indicates that BAMU's price experiences larger fluctuations and is considered to be riskier than TBIL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BAMU	TBIL	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.20%	0.09%	+0.11%
Volatility (6M) Calculated over the trailing 6-month period	0.47%	0.19%	+0.28%
Volatility (1Y) Calculated over the trailing 1-year period	0.67%	0.28%	+0.39%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.90%	0.32%	+0.58%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.90%	0.32%	+0.58%